GMT800 Muffler - OE Style — Chevrolet Silverado / GMC Sierra Open image to view full size. Confirm details against the part you need.

GMT800 Muffler - OE Style — Chevrolet Silverado / GMC Sierra

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Part details & compatibility

OE-style replacement muffler for compatible GMT800 exhaust systems.

Fitment: Inlet/outlet diameter and orientation vary by engine, wheelbase, cab/bed, and single vs dual exhaust. Verify pipe size before ordering.

Before ordering: Exhaust fitment can depend on engine, drivetrain, wheelbase, cab/bed length, Federal/California emissions certification, pipe diameter, oxygen-sensor location, and chassis configuration. Confirm the original system before ordering.

Part identification: This is a catalog reference. Confirm the manufacturer part number and vehicle configuration before selecting this part.

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